CN109217164A - A kind of outdoor electric construction appliance - Google Patents
A kind of outdoor electric construction appliance Download PDFInfo
- Publication number
- CN109217164A CN109217164A CN201811115246.8A CN201811115246A CN109217164A CN 109217164 A CN109217164 A CN 109217164A CN 201811115246 A CN201811115246 A CN 201811115246A CN 109217164 A CN109217164 A CN 109217164A
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- China
- Prior art keywords
- pressure cap
- strut
- groove
- anchor pole
- stud
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
Abstract
The invention discloses a kind of outdoor electric construction appliances, including ground anchor pole and wire connecting portion, the wire connecting portion includes terminal plate and wire portion, the wire portion includes stud, nut and lead wire, it further include garter spring, strut and fastening bolt, the hoop body is in sleeve-shaped, the strut is more, and each equal length of strut is adjustable, the upper end of each strut is articulated and connected with garter spring, strut is annularly distributed in the surrounding of garter spring, and when each strut is rotated around the hinge joint of itself and garter spring, strut is opened or collapsed relative to the axis of garter spring；Multiple internal thread holes are additionally provided on the side wall of the hoop body, the internal thread hole penetrates through the side wall of hoop body, a fastening bolt is threaded in each internal thread hole.This construction appliance can not only realize ground protection, can effectively improve the operating efficiency of service personnel especially suitable for there is the application occasion of bare rock around the point of anchorage at the same time as interim layback earth anchor.
Description
Technical field
The present invention relates to electric electric power project engineering fields, more particularly to a kind of outdoor electric construction appliance.
Background technique
Existing electric system and rear end electrical equipment generally require to add protective device during operation and maintenance with reality
Existing system earth connection, equipment ground electrical connection.Such as: in carrying out cable maintenance process, for the person peace for ensureing service personnel
Entirely, it is desirable that corresponding maintenance route is grounded before maintenance, to avoid because misdelivery supplies electricity to service personnel and causes electric injury
Evil；When electrical appliance is checked and overhauled in use, also there is the case where temporary grounding.
Temporary grounding earth anchor may be embedded near grounding point, for this in the prior art for corresponding protective device
Occasion connects ground connection earth anchor with corresponding such as cable or equipment using electric connection line.But in most cases, especially for electric power
Wired earth, scene generally do not have pre-buried ground connection anchor, in this case, general anchor into the earth using provisionally anchor pole, by drawing
Corresponding conducting by maintenance route and the earth is completed in wiring connection.
The structure design for advanced optimizing protective device, is those skilled in the art to optimize the electric conductivity of protective device
Member institute urgent problem to be solved.
Summary of the invention
For the structure design for advanced optimizing protective device set forth above, to optimize the electric conductivity of protective device,
The problem of being those skilled in the art institute urgent problem to be solved, the present invention provides a kind of outdoor electric construction appliances, originally apply
Work tool can not only realize ground protection, at the same time as interim layback earth anchor, especially suitable for having exposed rock around the point of anchorage
The application occasion of stone can effectively improve the operating efficiency of service personnel.
A kind of outdoor electric construction appliance, including ground anchor pole and the wire connecting portion being installed on ground anchor pole, the wire connecting portion packet
Terminal plate and wire portion are included, the wire portion includes stud, nut and lead wire, and the terminal plate is electrically connected with ground anchor pole, spiral shell
One end of column is welded on terminal plate, and nut is threadedly connected on stud, and the connector lug of the lead wire is held in terminal plate
It further include garter spring, strut and fastening bolt between nut, the hoop body is in sleeve-shaped, and the strut is more, and each strut
Equal length is adjustable, and the upper end of each strut is articulated and connected with garter spring, and strut is annularly distributed in the surrounding of garter spring, and each strut is around itself and hoop
When the hinge joint rotation of ring, strut is opened or is collapsed relative to the axis of garter spring；
Multiple internal thread holes are additionally provided on the side wall of the hoop body, the internal thread hole penetrates through the side wall of hoop body, respectively
A fastening bolt is threaded in internal thread hole.
In the prior art, it as overhauled for outdoor electric cable, is frequently encountered and needs to be arranged earthing or grounding means to corresponding
Conductor part carries out ground protection, needs to be arranged layback earth anchor, for providing cable anti-shake moving constraint etc..However, for ground connection
Device, although the ground anchor pole needs included by it anchor into the earth, in view of ground anchor pole and the earth conduct performance, ground anchor pole
There should not be larger radian skew relative to the original state that anchors into after anchoring into avoid ground anchor pole by layback.Therefore the prior art
In, layback earth anchor is generally provided separately with ground connection earth anchor, but is mostly the mountain area of rock for especially earth's surface, finds two properly
Anchorage point be not easy, be detrimental to the efficiency of outdoor electric maintenance construction in this way.
In the present solution, being set as being also equipped with garter spring on described ground anchor pole, strut is hingedly connected on the garter spring, we
Case makes fastening bolt mutual extrusion not occur with the side of ground anchor pole when in use, firstly, rotating fastening bolt, in ground anchor pole
After anchoring into underground certain depth, lantern ring is lifted to far from ground certain altitude along ground anchor pole, fastening bolt is then rotated, makes
It obtains and generates certain normal pressure between fastening bolt and earth anchor bar side face, garter spring is made by the frictional force that the normal pressure generates
It is fixed on the specific position of ground anchor pole.Then, it adjusts each strut for being located at garter spring surrounding: only rotating strut or adjust support simultaneously
The length of bar enables the lower end of each strut to be supported on hard ground, is such as supported directly upon on rock.
When local anchor pole is as earth anchor is grounded by layback, the strut that corresponding direction when skew occurs for ground anchor pole is pressurized, therefore
Active force between corresponding strut and earth's surface hinders ground anchor pole further crooked, especially there is exposed rock around ground anchor pole
Or operator is when the lower end of strut pad sets backing plate or stone, there is the skew of strut anchor pole over the ground ideal anti-side to incline constraint
Performance.The above garter spring realizes mutually constraint with the connection type of ground anchor pole and by fastening bolt, may make garter spring place earth anchor
The axial location of bar can be good at adaptively the specific of anchor pole and anchor into depth and peripheral ground bumps situation；Using the above length
The stone that adjustable strut scheme and strut can rotatably well adapt to ready-made stone position, add relative to the axis of garter spring
Position or the cushion block position added；It can be rotated using the above length-adjustable strut scheme and strut relative to the axis of garter spring,
The case where also facilitating the carrying of this programme and adaptation to anchor into position ground above narrow space.
I.e. above scheme can not only realize that the ground connection on the spot of corresponding cable or equipment is temporarily protected by wire connecting portion, while
When ground anchor pole being needed to provide side draw, by the strut, garter spring and fastening bolt, ground anchor pole may make to be capable of providing layback
Still have with the earth in the case where power and preferably conduct performance, using this programme, the operation of service personnel can be effectively improved
Efficiency.
Preferably, being set as each strut is three stage structure: including upper section, middle section and lower section, the upper end of upper section and hoop
Ring articulated connection, the lower end of upper end have open end be located at lower end, length direction along the length direction of upper section duct；Middle section
Upper end insertion duct in, and middle section insertion duct depth it is adjustable, further include the clamping screw being threadedly connected on upper section, institute
Clamping screw is stated for realizing the relatively fixed of middle section and upper section, the mode that specifically tightens of clamping screw is equal to fastening bolt reality
Existing fixation of the garter spring on ground anchor pole；The lower end in middle section is provided with axis direction along the internal thread hole of middle section length direction, under
The upper end of section is threadedly coupled with the internal thread hole on middle section, and the lower end of lower section is tip, and the middle part or lower part of lower section are set as
Rectangle applies torque on lower section to facilitate operation personnel.Using this programme, upper section and middle section plug connection form facilitate strut
The quick adjusting of total length, the mode that middle section is threadedly coupled with lower section is convenient for the fine tuning of stay length, so that strut finds conjunction
After suitable lower end supporting point, by rotating lower section, so that strut is in Pre strained state to optimize the stability of anchor support over the ground.
To promote the anti-reliability for toppling over constraint of strut, the above articulated connection preferably uses hinged axis connection.For described
Articulated shaft is preferably provided with are as follows: each articulated shaft is fixed on the side of garter spring, and the axis direction of each articulated shaft is located at the hoop at place
When rotating around articulated shaft, the direction of motion of strut lower end is located at the radial direction of garter spring for the tangential direction of ring position, i.e. strut.
Further technical solution are as follows:
Further include pressure cap, the material of the pressure cap is copper or aluminium, the stud, nut material be carbon steel, pressure cap shape
Annularly；
The pressure cap is set on stud, and pressure cap is between the connector lug and nut；
It is additionally provided with fin on the side of the stud, the slot for cooperating with the fin is additionally provided on the pressure cap
Body, when pressure cap is sheathed on stud, the fin is embedded in the groove body, and the fin is used to hinder by cutting from experiencing
Pressure cap is hindered to rotate around stud.
In the prior art, for the electric protection device being temporarily arranged, general using ground anchor pole anchorage, lead wire is as ground
Anchor pole and the corresponding electric connection line by between maintenance route, the device being grounded.In view of ground anchor pole anchorage
Convenience, being traditionally arranged to be the connection relationship between ground anchor pole and lead wire is to be detachably connected relationship: on ground, anchor pole anchors into ground
Before face, lead wire and ground anchor pole are detached from, and are caused during anchoring into and avoid ground anchor pole to anchor into easily anchor pole to lead wire
It destroys；The separation of lead wire and ground anchor pole is completed, first before the extraction of ground anchor pole to facilitate extraction ground anchor pole and avoid ground anchor pole
Lead wire is damaged in withdrawal process.
However in the prior art, is wiring is arranged in the connection type of the terminal plate and lead wire that generally use on terminal plate
Seat, the junction block include the plug wire cylinder in quarter bend shape, and plug wire cylinder is fixedly connected with terminal plate, on plug wire cylinder connection one or
More line pressing bolts, by real for lead wire application pressure by line pressing bolt after the terminals of lead wire are inserted into plug wire cylinder
Existing lead wire is fixedly connected with junction block.In the above connection type, due to the diameter of line pressing bolt should not be arranged it is too much, therefore
The diameter of actually line pressing bolt defines the area between lead wire and plug wire cylinder, line pressing bolt with normal pressure, so that drawing
The connection reliability of wiring and junction block is poor, and the link position resistance value of lead wire on the protection device is larger, not only unfavorable
In the safety that protective device uses, while being unfavorable for the ground connection performance of protective device.
In the present solution, the wire portion on the terminal plate is the interconnecting piece on terminal plate for being electrically connected with lead wire,
Such as by the end of lead wire, i.e., terminals coiling one around the lantern ring of stud, directly by the end bifurcated of lead wire simultaneously
So that stud is located in the prong of lead wire, is directly inserted into the end of lead wire in the gap of pressure cap and terminal plate, then pass through
Nut adjusts position of the pressure cap on stud axis, being electrically connected by pressure cap and terminal plate realization lead wire and terminal plate
It connects.
Be set as by rotating the nut, nut and terminal plate close to during, by the terminals folder of lead wire
It holds between nut and terminal plate.Meanwhile being set as further including pressure cap, the pressure cap is set on stud, and pressure cap is located at wiring
Head nut between, while be set as pressure cap material be copper or aluminium, the stud, nut material be carbon steel, in this way, in spiral shell
During cap squeezes pressure cap, may make pressure cap to generate plastic deformation with increase pressure cap and lead wire, pressure cap and stud, pressure cap with
Contact area between nut is to improve the electric conductivity between lead wire and terminal plate.
In the present solution, being set as the side of the stud has fin, and when pressure cap and stud cooperate, fin wedge pressure
In groove body on cap, in this way, when the side phase separation of the side of fin and groove body, leading to during squeezing pressure cap by nut
Cross fin to be sheared, hinder pressure cap with cap rotation, to reach during rotating screw cap, avoid as far as possible pressure cap with
Cap rotation and influence the electrical connection properties between pressure cap and lead wire or destroy lead wire, i.e., only allow pressure cap in compressive deformation
It deforms in the process and pressure cap cannot be made to relatively rotate relative to stud.
As those skilled in the art, also there is certain thickness after being crushed due to lead wire, therefore be preferably arranged to
The part of stud has fin, and the above fin is preferably arranged to length direction along the bar shaped rib of stud axis direction；Together
When, since pressure cap needs to be socketed on stud, fin is equivalent to as bar shaped key, therefore is actually to be provided with pressure cap with upper groove body
The keyway of inside.
It is additionally provided with a plurality of axial groove in a strip shape on the outside of the pressure cap, one end of the axial groove and pressure cap
One end connects, and the other end of axial groove connects with the other end of pressure cap；
A plurality of axial groove is circular layout on the lateral surface of pressure cap；
It further include lantern ring, the lantern ring is set on pressure cap；
Ring set is additionally provided with shelves edge annular in shape on one end of nut, and the shelves edge is formed on the lateral surface of lantern ring
Step surface annular in shape；
The end face of the nut is in contact with the end face of pressure cap, and the end face of lantern ring is located at the outside of nut end face.
Due to pressure cap deform under the action of nut rear pressing cap can be adhered on stud or with stud formed tight fit
Relationship, the removal of above bonding and tight fit relationship affect connector lug and Stud connection relationship, therefore being set as further includes being set to
A plurality of axial groove on the outside of pressure cap passes through pincers worker flat chisel, pincers worker crowbar when the above axial groove is separated for connector lug with stud
Equal tools, destroy pressure cap make it become non-close ring and easily by pressure cap by being removed on stud.In the present solution, being set as axis
Be to slot it is multiple, and annular spread on pressure cap, aloow operator by facilitating the angle of operation to destroy pressure cap or side
Pressure cap being destroyed for muti-piece just.
As described above, this programme needs to squeeze pressure cap by nut when in use so that it generates plastic deformation optimization
The electrical connection performance of lead wire and ground anchor pole, while including axial groove on the pressure cap, to avoid nut from squeezing pressure cap mistake
The full circle ring structure of pressure cap is destroyed and is influenced the electrical connection performance of lead wire and stud in journey, in the present solution, being set as
It further include lantern ring, the above lantern ring is the hoop being sheathed on on the outside of pressure cap, for providing constraint for pressure cap radial deformation, to protect
Hold the integrity that nut squeezes pressure cap full circle ring structure during pressure cap.
As noted previously, as the connection relationship for finally removing lead wire and stud needs to destroy the pressure cap, and pressure cap becomes
Tight fit relationship is formed after shape between lantern ring and pressure cap, therefore is also set up on one end of nut in the present solution, being set as ring set
There is shelves edge annular in shape, the shelves edge forms step surface annular in shape on the lateral surface of lantern ring.In this way, destroy pressure cap it
Before, the step surface is tapped to complete the separation of lantern ring and pressure cap by percussion tool first, the percussion power side such as tapped above
To the axis direction along stud and the free end towards stud, pressure cap is carried out again after lantern ring is separated with pressure cap and is abolished.I.e. with
The upper lantern ring scheme including shelves edge is easy to implement the separation of pressure cap and lantern ring.
The pressure cap is provided with multiple grooves on the end face of one end of terminal plate, and each groove is equal are as follows: one end of groove
Connect with the centre bore on pressure cap, connects on the outside of the other end and pressure cap of groove；
The grove shaped circumferential is arranged on the end face of pressure cap；
The lead wire is twisted wire.In the present solution, the twisted wire is stranded conductor, being set as lead wire is twisted wire, no
Only facilitate this programme according to actual environment definitely anchor pole anchorage position using the flexibility of twisted wire, meanwhile, it is pressed on lead wire
The shape of the paragraph that cap is clamped with earth plate is prone to deform when being pressurized, and can reach improve lead wire and pressure cap in this way, draws and connect
The purpose of line and terminal plate contact area；Be set as pressure cap also has groove on one end of terminal plate, not only with upper groove
The contact area of pressure cap corresponding end end and lead wire, while the position by limiting each groove both ends, multiple grooves can be expanded
Arrangement state in pressure cap end is not removing pressure cap to lead wire after lead wire compression is deformed locally embedding groove
In the case where clamping, can avoid lead wire in dragging with terminal plate Joint failure.
To sum up, due to including groove on pressure cap, lead wire has the characteristics that connection is reliable on this programme；Due in this programme
Lead wire directly can be contacted directly with terminal plate, pressure cap and stud, simultaneously as including groove, lead wire connection position on pressure cap
It sets due to being easier to obtain bigger contact area, the electric conductivity of this programme is aloowed to be more susceptible to using the above structure
It is guaranteed.
Being preferably arranged to the lead wire is by strand copper wire twisted wire, in this way, can be optimized using the characteristics of copper wire mutability
Lead wire and terminal plate, stud, the electrical connection properties between pressure cap three.
To avoid pressure cap during squeezing lead wire, composition lead wire is caused because lead wire local pressure is excessive
Solid conductor be cut off and influence lead wire and ground anchor pole electrical connection quality, setting are as follows: the groove face and pressure cap of the groove
End face smoothly transit.
As a kind of implementation easy to process, setting are as follows: the groove is strip groove, and the length side of each groove
To the radial direction for being respectively positioned on pressure cap.
To enable pressure cap that there is bigger contact area close to one end of lead wire and lead wire, while making pressure cap
One end close to terminal plate is under the action of nut, radial direction in pressure cap end, between pressure cap end each point and lead wire
More uniform pressure is all had to obtain lead wire and the bigger conductive area of pressure cap, is arranged are as follows: the pressure cap is set in middle part
It is equipped with the circular cone shape of centre bore, the biggish one end of pressure cap face area is towards terminal plate.Preferably, it is outer for being set as lantern ring also
Shape is in circular cone shape, meanwhile, the length of lantern ring and the equal length of pressure cap, the size of lantern ring are as follows: after pressure cap and lantern ring cooperation, set
The medial surface of ring and the lateral surface of pressure cap are all affixed, in this way, the deformation of pressure cap each point can be constrained as far as possible by lantern ring.It is excellent
Choosing, the bottom for being set as the axial groove has top, the i.e. section triangular shape of axial groove, in this way, deforming in pressure cap
In the process, it is concentrated using the stress of the above top position, so that pressure cap cracks and facilitates subsequent pressure cap by stud
It abolishes and separates.
To make as that can be conducive to draw connect by packing carbon powder in the gap between lead wire and pressure cap, terminal plate, stud
Electrical connection properties between line and ground anchor pole, the wire portion further include cartridge, and the cartridge is fixedly connected with terminal plate,
The stud, pressure cap are respectively positioned in cartridge.This programme when in use, is used to contain carbon dust in the cartridge.
Wire portion be it is multiple, each cartridge is in the container-like of direction that be open, and is provided in the box wall of each cartridge
Connecting groove；
Communicating passage of the connecting groove as cartridge medial and lateral, the lead wire on each wire portion is by corresponding to connecting groove
It introduces in cartridge, the upper end of cartridge where the notch end of each connecting groove is respectively positioned on；
The connecting position for opening up position and being respectively positioned on each cartridge and terminal plate of connecting groove on each cartridge.In the present solution,
Be set as the wire portion be it is multiple, in this way, convenient for multiple lead wire tie points are obtained on terminal plate with realize ground anchor pole with
By maintenance route, by the device of carry out electrical test, lightning conducter, be implemented the equipment of leakage protection and drawn by more and connect
Line is connected；With realize ground anchor pole with more or it is multiple by maintenance route, by the device of carry out electrical test, lightning conducter,
The equipment for being implemented leakage protection is connected by single or more lead wire, while may make what each lead wire was connect with ground anchor pole
Terminals without influence, are easy to implement each lead wire and connect with the ground equal high quality of anchor pole between each other.
It is embedded into earth's surface following certain depth to enable ground anchor pole more easily to pass through hard ground, is arranged
Are as follows: spiral spiral cord is additionally provided on the side on the downside of described ground anchor pole；
Turning handle is further fixed on the upside of described ground anchor pole；
The lower end of described ground anchor pole is tip.In the present solution, applying torque on ground anchor pole by the turning handle, may make
Ground anchor pole is guided from spiral cord in the course of rotation and is easily embedded in underground；Ground anchor pole insertion can be reduced with upper prong
Resistance in the process.
As a kind of connection scheme being easily achieved and can guarantee electrical connection properties, setting are as follows: the terminal plate passes through weldering
It connects and is connected with ground anchor pole in succession.
Preferably, the material for being set as pressure cap is copper, i.e., the described pressure cap is copper ring.
The invention has the following advantages:
In the present solution, being set as being also equipped with garter spring on described ground anchor pole, strut is hingedly connected on the garter spring, we
Case makes fastening bolt mutual extrusion not occur with the side of ground anchor pole when in use, firstly, rotating fastening bolt, in ground anchor pole
After anchoring into underground certain depth, lantern ring is lifted to far from ground certain altitude along ground anchor pole, fastening bolt is then rotated, makes
It obtains and generates certain normal pressure between fastening bolt and earth anchor bar side face, garter spring is made by the frictional force that the normal pressure generates
It is fixed on the specific position of ground anchor pole.Then, it adjusts each strut for being located at garter spring surrounding: only rotating strut or adjust support simultaneously
The length of bar enables the lower end of each strut to be supported on hard ground, is such as supported directly upon on rock.
When local anchor pole is as earth anchor is grounded by layback, the strut that corresponding direction when skew occurs for ground anchor pole is pressurized, therefore
Active force between corresponding strut and earth's surface hinders ground anchor pole further crooked, especially there is exposed rock around ground anchor pole
Or operator is when the lower end of strut pad sets backing plate or stone, there is the skew of strut anchor pole over the ground ideal anti-side to incline constraint
Performance.The above garter spring realizes mutually constraint with the connection type of ground anchor pole and by fastening bolt, may make garter spring place earth anchor
The axial location of bar can be good at adaptively the specific of anchor pole and anchor into depth and peripheral ground bumps situation；Using the above length
The stone that adjustable strut scheme and strut can rotatably well adapt to ready-made stone position, add relative to the axis of garter spring
Position or the cushion block position added；It can be rotated using the above length-adjustable strut scheme and strut relative to the axis of garter spring,
The case where also facilitating the carrying of this programme and adaptation to anchor into position ground above narrow space.
I.e. above scheme can not only realize that the ground connection on the spot of corresponding cable or equipment is temporarily protected by wire connecting portion, while
When ground anchor pole being needed to provide side draw, by the strut, garter spring and fastening bolt, ground anchor pole may make to be capable of providing layback
Still have with the earth in the case where power and preferably conduct performance, using this programme, the operation of service personnel can be effectively improved
Efficiency.
Detailed description of the invention
Fig. 1 is to reflect pressure cap, lantern ring two in one specific embodiment of a kind of outdoor electric construction appliance of the present invention
The partial schematic diagram of both person's structure and pressure cap, lantern ring matching relationship, the schematic diagram are explosive view；
Fig. 2 is a kind of partial schematic diagram of one specific embodiment of outdoor electric construction appliance of the present invention, the office
The structure and wire portion and terminal plate connection relationship of portion's schematic diagram reflection wire portion；
Fig. 3 is a kind of structural schematic diagram of one specific embodiment of outdoor electric construction appliance of the present invention；
Fig. 4 is the side view of lantern ring in one specific embodiment of a kind of outdoor electric construction appliance of the present invention；
Fig. 5 is reflection garter spring, fastening spiral shell in one specific embodiment of a kind of outdoor electric construction appliance of the present invention
The partial schematic diagram of bolt, strut three structure and connection relationship.
Appended drawing reference in figure is successively are as follows: 1, pressure cap, 11, groove, 12, axial groove, 13, groove body, 2, lead wire, 3, wiring
Plate, 4, cartridge, 41, connecting groove, 5, nut, 6, lantern ring, 61, shelves edge, 7, stud, 71, fin, 8, anchor pole, 81, garter spring,
82, fastening bolt, 83, strut, 9, turning handle, 10, spiral cord.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, but structure of the invention be not limited only to it is following
Embodiment.
Embodiment 1:
As shown in Figures 1 to 4, a kind of outdoor electric construction appliance including ground anchor pole 8 and is installed on connecing on ground anchor pole 8
Line portion, the wire connecting portion include terminal plate 3 and wire portion, and the wire portion includes stud 7, nut 5 and lead wire 2, described to connect
Line plate 3 is electrically connected with ground anchor pole 8, and one end of stud 7 is welded on terminal plate 3, and nut 5 is threadedly connected on stud 7, described to draw
The connector lug of wiring 2 is held between terminal plate 3 and nut 5, further includes garter spring 81, strut 83 and fastening bolt 82, described
Hoop body is in sleeve-shaped, and the strut 83 is more, and the equal length of each strut 83 is adjustable, and the upper end of each strut 83 is cut with scissors with garter spring 81
It connects in succession, strut 83 is annularly distributed in the surrounding of garter spring 81, and when each strut 83 is rotated around the hinge joint of itself and garter spring 81,83 phase of strut
The axis of garter spring 81 is opened or collapsed；
Multiple internal thread holes are additionally provided on the side wall of the hoop body, the internal thread hole penetrates through the side wall of hoop body, respectively
A fastening bolt 82 is threaded in internal thread hole.
In the prior art, it as overhauled for outdoor electric cable, is frequently encountered and needs to be arranged earthing or grounding means to corresponding
Conductor part carries out ground protection, needs to be arranged layback earth anchor, for providing cable anti-shake moving constraint etc..However, for ground connection
Device, although the needs of ground anchor pole 8 included by it anchor into the earth, in view of ground anchor pole 8 and the earth conduct performance, earth anchor
Bar 8 should not be had larger radian skew relative to the original state that anchors into after anchoring into avoid ground anchor pole 8 by layback.Therefore it is existing
In technology, layback earth anchor is generally provided separately with ground connection earth anchor, but is mostly the mountain area of rock for especially earth's surface, finds two
Suitable anchorage point is not easy, and is detrimental to the efficiency of outdoor electric maintenance construction in this way.
In the present solution, being set as being also equipped with garter spring 81 on described ground anchor pole 8, strut is hingedly connected on the garter spring 81
83, this programme occurs that fastening bolt 82 mutually with the side of ground anchor pole 8 when in use, firstly, rotating fastening bolt 82
It squeezes, after ground anchor pole 8 anchors into underground certain depth, lifts lantern ring to far from ground certain altitude along ground anchor pole 8, then
It rotates fastening bolt 82 and passes through the normal pressure so that generating certain normal pressure between 8 side of fastening bolt 82 and ground anchor pole
The frictional force of generation make garter spring 81 be fixed on ground anchor pole 8 specific position.Then, each support for being located at 81 surrounding of garter spring is adjusted
Bar 83: it only rotates strut 83 or adjusts the length of strut 83 simultaneously, the lower end of each strut 83 is enabled to be supported on hard ground
On, such as it is supported directly upon on rock.
Local anchor pole 8 as ground connection earth anchor by layback when, ground anchor pole 8 occur the strut 83 of corresponding direction when skew by
Pressure, therefore the active force between corresponding strut 83 and earth's surface hinders ground anchor pole 8 further skew, especially has around ground anchor pole 8
When the lower end of strut 83 pad sets backing plate or stone, the skew of the anchor pole 8 over the ground of strut 83 has exposed rock or operator
Ideal anti-side is inclined restraint performance.The above garter spring 81 is realized mutually about with the connection type of ground anchor pole 8 and by fastening bolt 82
Beam may make what the axial location of garter spring location anchor pole 8 can be good at adaptively anchor pole 8 specifically to anchor into depth and peripherally
Table bumps situation；It rotatably can be fine relative to the axis of garter spring 81 using above length-adjustable 83 scheme of strut and strut 83
The ready-made stone position of adaptation, the stone position added or the cushion block position added；Using above length-adjustable 83 side of strut
Case and strut 83 can be rotated relative to the axis of garter spring 81, and the carrying of this programme and adaptation is also facilitated to anchor into position ground with overhead
Between narrow situation.
I.e. above scheme can not only realize that the ground connection on the spot of corresponding cable or equipment is temporarily protected by wire connecting portion, while
When ground anchor pole 8 being needed to provide side draw, by the strut 83, garter spring 81 and fastening bolt 82, ground anchor pole 8 is aloowed to exist
Still have with the earth in the case that side draw is provided and preferably conduct performance, using this programme, maintenance people can be effectively improved
The operating efficiency of member.
In the present embodiment, being set as each strut 83 is three stage structure: including upper section, middle section and lower section, upper section it is upper
End is articulated and connected with garter spring 81, the lower end of upper end have open end be located at lower end, length direction along upper section length direction
Duct；In the upper end insertion duct in middle section, and the depth in middle section insertion duct is adjustable, further includes the lock being threadedly connected on upper section
Tight bolt, the clamping screw is relatively fixed for realizing middle section and upper section, and clamping screw specifically tightens mode and is equal to
Fastening bolt 82 realizes fixation of the garter spring 81 on ground anchor pole 8；The lower end in middle section is provided with axis direction along middle segment length side
To internal thread hole, the upper end of lower section is threadedly coupled with the internal thread hole on middle section, and the lower end of lower section is tip, in lower section
Portion or lower part are set as rectangle, apply torque on lower section to facilitate operation personnel.Using this programme, upper section and middle section grafting connect
The form of connecing facilitates the quick adjusting of 83 total length of strut, and the mode that middle section is threadedly coupled with lower section is micro- convenient for 83 length of strut
It adjusts, so that after strut 83 finds suitable lower end supporting point, by rotating lower section, so that strut 83 is in Pre strained state with excellent
Change the stability that anchor pole 8 supports over the ground.
To promote the anti-reliability for toppling over constraint of strut 83, the above articulated connection preferably uses hinged axis connection.For institute
Articulated shaft is stated, is arranged in the present embodiment are as follows: each articulated shaft is fixed on the side of garter spring 81, and the axis direction position of each articulated shaft
Tangential direction in 81 position of garter spring at place, i.e. strut 83 around articulated shaft when rotating, the direction of motion position of 83 lower end of strut
In the radial direction of garter spring 81.
Embodiment 2:
As shown in Figures 1 to 4, the present embodiment is further qualified on the basis of embodiment 1: it further include pressure cap 1, it is described
The material of pressure cap 1 is copper or aluminium, the stud 7, nut 5 material be carbon steel, 1 shape of pressure cap is annular in shape；
The pressure cap 1 is set on stud 7, and pressure cap 1 is between the connector lug and nut 5；
It is additionally provided with fin 71 on the side of the stud 7, is additionally provided on the pressure cap 1 for matching with the fin 71
The groove body 13 of conjunction, when pressure cap 1 is sheathed on stud 7, the fin 71 is embedded in the groove body 13, and the fin 71 is used for
It is cut by experiencing certainly, pressure cap 1 is hindered to rotate around stud 7.
In the prior art, general using ground 8 anchorage of anchor pole, 2 conduct of lead wire for the electric protection device being temporarily arranged
Ground anchor pole 8 and the corresponding electric connection line by between maintenance route, the device being grounded.In view of 8 anchor of ground anchor pole
The convenience on ground, being traditionally arranged to be the connection relationship between ground anchor pole 8 and lead wire 2 is to be detachably connected relationship: the anchor pole 8 on ground
It anchors into before ground, lead wire 2 and ground anchor pole 8 are detached from, right during anchoring into and avoid ground anchor pole 8 to anchor into easily anchor pole 8
Lead wire 2 damages；The separation of lead wire 2 and ground anchor pole 8 is completed, first before the extraction of ground anchor pole 8 to facilitate extraction earth anchor
Bar 8 and avoid ground 8 withdrawal process of anchor pole in lead wire 2 is damaged.
However in the prior art, the connection type of the terminal plate 3 generally used and lead wire 2 is is arranged on terminal plate 3
Junction block, the junction block include the plug wire cylinder in quarter bend shape, and plug wire cylinder is fixedly connected with terminal plate 3, connects on plug wire cylinder
One or more line pressing bolts, by being applied after the terminals of lead wire 2 are inserted into plug wire cylinder by line pressing bolt for lead wire 2
Plus-pressure realization lead wire 2 is fixedly connected with junction block.In the above connection type, since the diameter of line pressing bolt should not be arranged
It is too much, therefore the diameter of actually line pressing bolt defines the face between lead wire 2 and plug wire cylinder, line pressing bolt with normal pressure
Product so that lead wire 2 and the connection reliability of junction block are poor, the link position resistance value of lead wire 2 on the protection device compared with
Greatly, the safety used not only bad for protective device, while being unfavorable for the ground connection performance of protective device.
In the present solution, the wire portion on the terminal plate 3 is the connection on terminal plate 3 for being electrically connected with lead wire 2
Portion, such as by the way that in the end of lead wire 2, i.e., terminals coiling one surround the lantern ring 6 of stud 7, directly by the end of lead wire 2
Bifurcated and stud 7 is located in the prong of lead wire 2, directly will be between the end insertion pressure cap 1 and terminal plate 3 of lead wire 2
In gap, then the position by the adjustment pressure cap 1 of nut 5 on 7 axis of stud, pressure cap 1 can be passed through and terminal plate 3 realizes lead wire
2 are electrically connected with terminal plate 3.
Be set as by rotating the nut 5, nut 5 and terminal plate 3 close to during, by the wiring of lead wire 2
End is clamped between nut 5 and terminal plate 3.Meanwhile being set as further including pressure cap 1, the pressure cap 1 is set on stud 7, pressure cap
1 between connector lug and nut 5, at the same be set as pressure cap 1 material be copper or aluminium, the stud 7, nut 5 material be
Carbon steel, in this way, may make pressure cap 1 to generate plastic deformation to increase pressure cap 1 and lead wire during nut 5 squeezes pressure cap 1
2, the contact area between pressure cap 1 and stud 7, pressure cap 1 and nut 5 is to improve the electric conductivity between lead wire 2 and terminal plate 3
Energy.
In the present solution, being set as the side of the stud 7 has fin 71, and when pressure cap 1 and stud 7 cooperate, fin
In groove body 13 on 71 insertion pressure caps 1, in this way, side and groove body 13 during squeezing pressure cap 1 by nut 5, when fin 71
Side phase separation when, sheared by fin 71, hinder pressure cap 1 with nut 5 rotate, to reach in rotating screw cap 5
In the process, pressure cap 1 is avoided to rotate with nut 5 and influence electrical connection properties or destruction between pressure cap 1 and lead wire 2 and draw as far as possible
Wiring 2 only allows pressure cap 1 to deform during compressive deformation and pressure cap 1 cannot be made relative to opposite turn of stud 7
It is dynamic.
As those skilled in the art, also there is certain thickness after being crushed due to lead wire 2, therefore be preferably arranged to
The part of stud 7 has fin 71, and the above fin 71 is preferably arranged to length direction along the bar shaped of 7 axis direction of stud
Rib；Simultaneously as pressure cap 1 needs to be socketed on stud 7, fin 71 is equivalent to as bar shaped key, therefore is actually with upper groove body 13
For the keyway for being provided with 1 inside of pressure cap.
Be additionally provided with a plurality of axial groove 12 in a strip shape on the outside of the pressure cap 1, one end of the axial groove 12 with
One end of pressure cap 1 connects, and the other end of axial groove 12 connects with the other end of pressure cap 1；
A plurality of axial groove 12 is circular layout on the lateral surface of pressure cap 1；
It further include lantern ring 6, the lantern ring 6 is set on pressure cap 1；
Ring set is additionally provided with shelves annular in shape along 61 on one end of nut 5, the shelves along 61 lantern ring 6 lateral surface
It is upper to form step surface annular in shape；
The end face of the nut 5 is in contact with the end face of pressure cap 1, and the end face of lantern ring 6 is located at the outside of 5 end face of nut.
Since the rear pressing cap 1 that deforms under the action of nut 5 of pressure cap 1 can be adhered on stud 7 or be formed tightly with stud 7
Matching relationship, the removal of above bonding and tight fit relationship affect connector lug and 7 connection relationship of stud, therefore being set as further includes setting
The a plurality of axial groove 12 being placed on 1 outside of pressure cap, it is flat by pincers worker when the above axial groove 12 is separated for connector lug with stud 7
The tools such as shovel, pincers worker crowbar, destroy pressure cap 1 make it become non-close ring and easily by pressure cap 1 by being removed on stud 7.This
In scheme, be set as axial groove 12 be it is multiple, and annular spread on pressure cap 1, aloow operator by facilitate operation
Angle destroy and pressure cap 1 or easily destroy pressure cap 1 for muti-piece.
As described above, this programme needs to squeeze pressure cap 1 by nut 5 when in use so that its generation plastic deformation is excellent
Change the electrical connection performance of lead wire 2 and ground anchor pole 8, while including axial groove 12 on the pressure cap 1, to avoid nut 5 from squeezing
The full circle ring structure of pressure cap 1 is destroyed and is influenced the electrical connection performance of lead wire 2 Yu stud 7, we during pressure pressure cap 1
It in case, is set as further including lantern ring 6, the above lantern ring 6 is the hoop being sheathed on 1 outside of pressure cap, for becoming for pressure cap 1 is radial
Shape provide constraint, with keep nut 5 squeeze pressure cap 1 during 1 full circle ring structure of pressure cap integrity.
As noted previously, as the connection relationship for finally removing lead wire 2 and stud 7 needs to destroy the pressure cap 1, and pressure cap
Tight fit relationship is formed between lantern ring 6 and pressure cap 1 after 1 deformation, therefore in the present solution, is set as ring set on one end of nut 5
Shelves annular in shape are additionally provided with along 61, the shelves form step surface annular in shape along 61 on the lateral surface of lantern ring 6.In this way,
It destroys before pressure cap 1, the step surface is tapped to complete the separation of lantern ring 6 Yu pressure cap 1 by percussion tool first, is such as struck above
The percussion power direction hit along the axis direction of stud 7 and towards the free end of stud 7, after lantern ring 6 is separated with pressure cap 1 again into
Row pressure cap 1 is abolished.It is i.e. above to be easy to implement the separation of pressure cap 1 Yu lantern ring 6 along 61 6 scheme of lantern ring including shelves.
Multiple grooves 11 are provided on the end face of the one end of the pressure cap 1 close to terminal plate 3, each groove 11 is are as follows: groove
11 one end connects with the centre bore on pressure cap 1, and the other end of groove 11 connects with the outside of pressure cap 1；
The groove 11 is circular layout on the end face of pressure cap 1；
The lead wire 2 is twisted wire.In the present solution, the twisted wire is stranded conductor, being set as lead wire 2 is twisted wire,
Not only facilitate this programme according to actual environment definitely 8 anchorage position of anchor pole using the flexibility of twisted wire, meanwhile, on lead wire 2
It is prone to deform when being pressurized by the shape for the paragraph that pressure cap 1 is clamped with earth plate, can reach improve lead wire 2 and pressure cap in this way
1, the purpose of lead wire 2 and 3 contact area of terminal plate；Be set as pressure cap 1 also has groove 11 on one end of terminal plate 3,
The contact area of 1 corresponding end end and lead wire 2 of pressure cap can not only be expanded with upper groove 11, while by limiting each 11 liang of groove
The position at end, multiple grooves 11 are deformed locally embedding groove 11 in the compression of lead wire 2 in the arrangement state of 1 end of pressure cap
Afterwards, in the case where not removing pressure cap 1 to the clamping of lead wire 2, it can avoid lead wire 2 and connect in dragging with terminal plate 3
Failure.
To sum up, due to including groove 11 on pressure cap 1, lead wire 2 has the characteristics that connection is reliable on this programme；Due to we
Lead wire 2 directly can be contacted directly with terminal plate 3, pressure cap 1 and stud 7 in case, simultaneously as including groove 11 on pressure cap 1, be drawn
2 link position of wiring obtains bigger contact area due to being easier to, and may make the electric conductivity of this programme using the above structure
It can be more susceptible to be guaranteed.
Being preferably arranged to the lead wire 2 is by strand copper wire twisted wire, in this way, can be optimized using the characteristics of copper wire mutability
Lead wire 2 and terminal plate 3, stud 7, the electrical connection properties between 1 three of pressure cap.
To avoid pressure cap 1 during squeezing lead wire 2, composition is caused to draw because 2 local pressure of lead wire is excessive
The solid conductor of wiring 2 is cut off and influences the electrical connection quality of lead wire 2 and ground anchor pole 8, setting are as follows: the slot of the groove 11
Face and the end face of pressure cap 1 smoothly transit.
As a kind of implementation easy to process, setting are as follows: the groove 11 is strip groove, and the length of each groove 11
Degree direction is respectively positioned on the radial direction of pressure cap 1.
To enable pressure cap 1 that there is bigger contact area close to one end of lead wire 2 and lead wire 2, make simultaneously
Pressure cap 1 close to one end of terminal plate 3 under the action of nut 5, radial direction in 1 end of pressure cap, 1 end each point of pressure cap with draw
More uniform pressure is all had between wiring 2 to obtain lead wire 2 and the bigger conductive area of pressure cap 1, is arranged are as follows: the pressure
Cap 1 is provided with the circular cone shape of centre bore in middle part, and the biggish one end of 1 face area of pressure cap is towards terminal plate 3.Preferably, if
Being set to lantern ring 6 also is shape in circular cone shape, meanwhile, the length of lantern ring 6 and the equal length of pressure cap 1, the size of lantern ring 6 are as follows:
After pressure cap 1 and lantern ring 6 cooperate, the medial surface of lantern ring 6 is all affixed with the lateral surface of pressure cap 1, in this way, can to the greatest extent may be used by lantern ring 6
The deformation of 1 each point of pressure cap can be constrained.Preferably, be set as the axial groove 12 bottom have it is top, i.e., axial groove 12 cut
Face triangular shape, in this way, being concentrated in 1 deformation process of pressure cap using the stress of the above top position, so that pressure cap 1 produces
It gives birth to crackle and subsequent pressure cap 1 is facilitated to be separated by abolishing on stud 7.
To make as that can be conducive to by packing carbon powder in the gap between lead wire 2 and pressure cap 1, terminal plate 3, stud 7
Electrical connection properties between lead wire 2 and ground anchor pole 8, the wire portion further include cartridge 4, the cartridge 4 and terminal plate 3
It is fixedly connected, the stud 7, pressure cap 1 are respectively positioned in cartridge 4.This programme when in use, is used to contain in the cartridge 4
Carbon dust.
Wire portion be it is multiple, each cartridge 4 in the container-like of opening direction, and is respectively provided in the box wall of each cartridge 4
There is connecting groove 41；
Communicating passage of the connecting groove 41 as 4 medial and lateral of cartridge, the lead wire 2 on each wire portion are connect by correspondence
Wire casing 41 introduces in cartridge 4, the upper end of cartridge 4 where the notch end of each connecting groove 41 is respectively positioned on；
The connecting position for opening up position and being respectively positioned on each cartridge 4 and terminal plate 3 of connecting groove 41 on each cartridge 4.We
In case, it is multiple for being set as the wire portion, in this way, convenient for obtaining multiple 2 tie points of lead wire on terminal plate 3 to realize ground
Anchor pole 8 passes through with by maintenance route, by the device of carry out electrical test, lightning conducter, the equipment for being implemented leakage protection
More lead wires 2 are connected；With realize ground anchor pole 8 with more or it is multiple by maintenance route, by the equipment or dress of carry out electrical test
Set, lightning conducter, be implemented the equipment of leakage protection and be connected by single or more lead wire 2, at the same may make each lead wire 2 with
The terminals that ground anchor pole 8 connects without influence, are easy to implement each lead wire 2 and connect with the ground equal high quality of anchor pole 8 between each other.
It is embedded into earth's surface following certain depth to enable ground anchor pole 8 more easily to pass through hard ground, is arranged
Are as follows: spiral spiral cord 10 is additionally provided on the side of 8 downside of described ground anchor pole；
Turning handle 9 is further fixed on the upside of described ground anchor pole 8；
The lower end of described ground anchor pole 8 is tip.In the present solution, torque is applied on ground anchor pole 8 by the turning handle 9, it can
So that ground anchor pole 8 is guided from spiral cord 10 in the course of rotation and is easily embedded in underground；It can reduce ground with upper prong
Resistance in 8 telescopiny of anchor pole.
As a kind of connection scheme being easily achieved and can guarantee electrical connection properties, setting are as follows: the terminal plate 3 passes through
It is welded to connect and is connected with ground anchor pole 8.
Preferably, the material for being set as pressure cap 1 is copper, i.e., the described pressure cap 1 is copper ring.
The above content is combine specific preferred embodiment to the further description of the invention made, and it cannot be said that originally
The specific embodiment of invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs,
The other embodiments obtained in the case where not departing from technical solution of the present invention should be included in the protection scope of corresponding invention.
Claims (10)
1. a kind of outdoor electric construction appliance, including ground anchor pole (8) and the wire connecting portion being installed on ground anchor pole (8), the wiring
Portion includes terminal plate (3) and wire portion, and the wire portion includes stud (7), nut (5) and lead wire (2), the terminal plate
(3) it is electrically connected with ground anchor pole (8), one end of stud (7) is welded on terminal plate (3), and nut (5) is threadedly connected to stud (7)
On, the connector lug of the lead wire (2) is held between terminal plate (3) and nut (5), which is characterized in that further includes garter spring
(81), strut (83) and fastening bolt (82), the hoop body (81) are in sleeve-shaped, and the strut (83) is more, and each strut
(83) length is adjustable, and the upper end of each strut (83) is articulated and connected with garter spring (81), and strut (83) is annularly distributed in garter spring (81)
Surrounding, and when each strut (83) is rotated around the hinge joint of itself and garter spring (81), axis of the strut (83) relative to garter spring (81)
It opens or collapses；
Multiple internal thread holes are additionally provided on the side wall of the hoop body (81), the internal thread hole penetrates through the side of hoop body (81)
Wall is threaded with a fastening bolt (82) in each internal thread hole.
2. a kind of outdoor electric construction appliance according to claim 1, which is characterized in that further include pressure cap (1), the pressure
The material of cap (1) is copper or aluminium, the stud (7), nut (5) material be carbon steel, pressure cap (1) shape is annular in shape；
The pressure cap (1) is set on stud (7), and pressure cap (1) is between the connector lug and nut (5)；
Be additionally provided with fin (71) on the side of the stud (7), be additionally provided on the pressure cap (1) for the fin
(71) groove body (13) cooperated, when pressure cap (1) is sheathed on stud (7), the fin (71) is embedded in the groove body (13),
And the fin (71) is used to hinder pressure cap (1) to rotate around stud (7) by cutting from experiencing.
3. a kind of outdoor electric construction appliance according to claim 2, which is characterized in that on the outside of the pressure cap (1)
It is additionally provided with a plurality of axial groove in a strip shape (12), one end of the axial groove (12) connects with one end of pressure cap (1), axial
The other end of slot (12) connects with the other end of pressure cap (1)；
A plurality of axial groove (12) is circular layout on the lateral surface of pressure cap (1)；
It further include lantern ring (6), the lantern ring (6) is set on pressure cap (1)；
Ring set (6) is additionally provided with shelves annular in shape along (61) on the one end of nut (5), and the shelves are along (61) in lantern ring (6)
Lateral surface on form step surface annular in shape；
The end face of the nut (5) is in contact with the end face of pressure cap (1), and the end face of lantern ring (6) is located at the outer of nut (5) end face
Side.
4. a kind of outdoor electric construction appliance according to claim 2, which is characterized in that the pressure cap (1) is close to wiring
It is provided on the end face of one end of plate (3) multiple grooves (11), each groove (11) is equal are as follows: one end and pressure cap (1) of groove (11)
On centre bore connect, connect on the outside of the other end of groove (11) and pressure cap (1)；
The groove (11) is circular layout on the end face of pressure cap (1)；
The lead wire (2) is twisted wire.
5. a kind of outdoor electric construction appliance according to claim 4, which is characterized in that the groove face of the groove (11) with
The end face of pressure cap (1) smoothly transits.
6. a kind of outdoor electric construction appliance according to claim 4, which is characterized in that the groove (11) is bar shaped
Slot, and the length direction of each groove (11) is respectively positioned on the radial direction of pressure cap (1).
7. a kind of outdoor electric construction appliance according to claim 2, which is characterized in that the pressure cap (1) sets in middle part
It is equipped with the circular cone shape of centre bore, pressure cap (1) biggish one end of face area is towards terminal plate (3).
8. a kind of outdoor electric construction appliance according to claim 2, which is characterized in that the wire portion further includes carbon dust
Box (4), the cartridge (4) are fixedly connected with terminal plate (3), and the stud (7), pressure cap (1) are respectively positioned in cartridge (4).
9. a kind of outdoor electric construction appliance according to claim 8, which is characterized in that wire portion is multiple, each carbon dust
Box (4) is provided with connecting groove (41) in the container-like of opening direction in the box wall of each cartridge (1)；
Communicating passage of the connecting groove (41) as cartridge (4) medial and lateral, the lead wire (2) on each wire portion is by corresponding to
Connecting groove (41) introduces in cartridge (4), the upper end of cartridge (4) where the notch end of each connecting groove (41) is respectively positioned on；
The connecting position for opening up position and being respectively positioned on each cartridge (4) Yu terminal plate (3) of connecting groove (41) on each cartridge (4).
10. according to right want any one of 1 to 9 described in a kind of outdoor electric construction appliance, which is characterized in that the earth anchor
Spiral spiral cord (10) is additionally provided on side on the downside of bar (8)；
Turning handle (9) are further fixed on the upside of described ground anchor pole (8)；
The lower end of described ground anchor pole (8) is tip；
The terminal plate (3) is connected by being welded to connect with ground anchor pole (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811115246.8A CN109217164B (en) | 2018-09-25 | 2018-09-25 | Outdoor electric power construction appliance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811115246.8A CN109217164B (en) | 2018-09-25 | 2018-09-25 | Outdoor electric power construction appliance |
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| CN109217164B CN109217164B (en) | 2020-10-09 |
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| CN201818628U (en) * | 2010-09-17 | 2011-05-04 | 刘明杰 | Rivet nut connecting plate capable of preventing spinning of circular rivet nut |
| CN202888415U (en) * | 2012-07-27 | 2013-04-17 | 长沙中联消防机械有限公司 | Grounding device |
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|---|---|
| CN109217164B (en) | 2020-10-09 |
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